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From: Gary Guo <gary@garyguo.net>
To: "Michal Suchánek" <msuchanek@suse.de>
Cc: "Lucas De Marchi" <lucas.demarchi@intel.com>,
	"Kees Cook" <keescook@chromium.org>,
	"Masahiro Yamada" <masahiroy@kernel.org>,
	linux-kbuild@vger.kernel.org, "Joel Stanley" <joel@jms.id.au>,
	"Alex Gaynor" <alex.gaynor@gmail.com>,
	"Miguel Ojeda" <ojeda@kernel.org>,
	"Wedson Almeida Filho" <wedsonaf@gmail.com>,
	"Nicolas Schier" <nicolas@fjasle.eu>,
	rust-for-linux@vger.kernel.org,
	"Guo Zhengkui" <guozhengkui@vivo.com>,
	"Boqun Feng" <boqun.feng@gmail.com>,
	"Nicholas Piggin" <npiggin@gmail.com>,
	"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
	"Nathan Chancellor" <nathan@kernel.org>,
	"Nick Desaulniers" <ndesaulniers@google.com>,
	linux-kernel@vger.kernel.org,
	"Julia Lawall" <Julia.Lawall@inria.fr>,
	"Luis Chamberlain" <mcgrof@kernel.org>,
	linuxppc-dev@lists.ozlabs.org, linux-modules@vger.kernel.org
Subject: Re: [PATCH] modpost: support arbitrary symbol length in modversion
Date: Thu, 19 Jan 2023 15:57:09 +0000	[thread overview]
Message-ID: <20230119155709.20d87e35.gary@garyguo.net> (raw)
In-Reply-To: <20230119151857.GQ16547@kitsune.suse.cz>

On Thu, 19 Jan 2023 16:18:57 +0100
Michal Suchánek <msuchanek@suse.de> wrote:

> On Thu, Jan 19, 2023 at 03:09:36PM +0000, Gary Guo wrote:
> > On Tue, 17 Jan 2023 11:22:45 -0800
> > Lucas De Marchi <lucas.demarchi@intel.com> wrote:
> >   
> > > And the additional 0's should compress well
> > > so I'm not sure the additional size is that much relevant here.  
> > 
> > I am not sure why compression is mentioned here. I don't think section
> > in .ko files are compressed.  
> 
> There is the option to compress the whole .ko files, and it's commonly
> used.

Hi Michal,

I am aware that there is an option but I am surprised to hear that it's
commonly used. I don't think that's enabled by default, and certainly
Debian/Ubuntu does not have it enabled.

Best,
Gary

WARNING: multiple messages have this Message-ID (diff)
From: Gary Guo <gary@garyguo.net>
To: "Michal Suchánek" <msuchanek@suse.de>
Cc: "Nathan Chancellor" <nathan@kernel.org>,
	"Wedson Almeida Filho" <wedsonaf@gmail.com>,
	"Kees Cook" <keescook@chromium.org>,
	rust-for-linux@vger.kernel.org, linux-kbuild@vger.kernel.org,
	"Nick Desaulniers" <ndesaulniers@google.com>,
	"Masahiro Yamada" <masahiroy@kernel.org>,
	"Guo Zhengkui" <guozhengkui@vivo.com>,
	"Lucas De Marchi" <lucas.demarchi@intel.com>,
	linux-kernel@vger.kernel.org,
	"Nicholas Piggin" <npiggin@gmail.com>,
	"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
	"Julia Lawall" <Julia.Lawall@inria.fr>,
	"Luis Chamberlain" <mcgrof@kernel.org>,
	"Joel Stanley" <joel@jms.id.au>,
	"Alex Gaynor" <alex.gaynor@gmail.com>,
	"Miguel Ojeda" <ojeda@kernel.org>,
	linuxppc-dev@lists.ozlabs.org,
	"Boqun Feng" <boqun.feng@gmail.com>,
	linux-modules@vger.kernel.org,
	"Nicolas Schier" <nicolas@fjasle.eu>
Subject: Re: [PATCH] modpost: support arbitrary symbol length in modversion
Date: Thu, 19 Jan 2023 15:57:09 +0000	[thread overview]
Message-ID: <20230119155709.20d87e35.gary@garyguo.net> (raw)
In-Reply-To: <20230119151857.GQ16547@kitsune.suse.cz>

On Thu, 19 Jan 2023 16:18:57 +0100
Michal Suchánek <msuchanek@suse.de> wrote:

> On Thu, Jan 19, 2023 at 03:09:36PM +0000, Gary Guo wrote:
> > On Tue, 17 Jan 2023 11:22:45 -0800
> > Lucas De Marchi <lucas.demarchi@intel.com> wrote:
> >   
> > > And the additional 0's should compress well
> > > so I'm not sure the additional size is that much relevant here.  
> > 
> > I am not sure why compression is mentioned here. I don't think section
> > in .ko files are compressed.  
> 
> There is the option to compress the whole .ko files, and it's commonly
> used.

Hi Michal,

I am aware that there is an option but I am surprised to hear that it's
commonly used. I don't think that's enabled by default, and certainly
Debian/Ubuntu does not have it enabled.

Best,
Gary

  reply	other threads:[~2023-01-19 15:57 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-11 16:11 [PATCH] modpost: support arbitrary symbol length in modversion Gary Guo
2023-01-11 16:11 ` Gary Guo
2023-01-12 21:40 ` Lucas De Marchi
2023-01-12 21:40   ` Lucas De Marchi
2023-01-13 18:18   ` Gary Guo
2023-01-13 18:18     ` Gary Guo
2023-01-17 17:51     ` Michal Suchánek
2023-01-17 17:51       ` Michal Suchánek
2023-01-17 19:22       ` Lucas De Marchi
2023-01-17 19:22         ` Lucas De Marchi
2023-01-18  7:01         ` Masahiro Yamada
2023-01-18  7:01           ` Masahiro Yamada
2023-01-19 19:02           ` Lucas De Marchi
2023-01-19 19:02             ` Lucas De Marchi
2023-01-19 19:19           ` Miguel Ojeda
2023-01-19 19:19             ` Miguel Ojeda
2023-01-19 15:09         ` Gary Guo
2023-01-19 15:09           ` Gary Guo
2023-01-19 15:18           ` Michal Suchánek
2023-01-19 15:18             ` Michal Suchánek
2023-01-19 15:57             ` Gary Guo [this message]
2023-01-19 15:57               ` Gary Guo
2023-03-13 20:32 ` Andrea Righi
2023-03-13 20:32   ` Andrea Righi
2023-03-13 21:48   ` Michal Suchánek
2023-03-13 21:48     ` Michal Suchánek
2023-03-13 21:53     ` Andrea Righi
2023-03-13 21:53       ` Andrea Righi
2023-03-13 22:02       ` Michal Suchánek
2023-03-13 22:02         ` Michal Suchánek
2023-03-13 22:09         ` Andrea Righi
2023-03-13 22:09           ` Andrea Righi
2023-03-14 14:38           ` Andrea Righi
2023-03-14 14:38             ` Andrea Righi
2023-03-14 14:59             ` Andrea Righi
2023-03-14 14:59               ` Andrea Righi
2023-03-15  0:15               ` Vincenzo Palazzo
2023-03-15  0:15                 ` Vincenzo Palazzo
2023-03-15  6:07                 ` Andrea Righi
2023-03-15  6:07                   ` Andrea Righi
2023-03-15 16:18             ` Masahiro Yamada
2023-03-15 16:18               ` Masahiro Yamada
2023-03-15 21:00               ` Andrea Righi
2023-03-15 21:00                 ` Andrea Righi

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